Files
opencloud/services/graph/pkg/middleware/auth.go

96 lines
3.2 KiB
Go

package middleware
import (
"net/http"
gmmetadata "go-micro.dev/v4/metadata"
"google.golang.org/grpc/metadata"
"github.com/opencloud-eu/opencloud/pkg/account"
"github.com/opencloud-eu/opencloud/pkg/log"
opkgm "github.com/opencloud-eu/opencloud/pkg/middleware"
"github.com/opencloud-eu/opencloud/services/graph/pkg/errorcode"
"github.com/opencloud-eu/reva/v2/pkg/auth/scope"
revactx "github.com/opencloud-eu/reva/v2/pkg/ctx"
"github.com/opencloud-eu/reva/v2/pkg/token/manager/jwt"
)
// authOptions initializes the available default options.
func authOptions(opts ...account.Option) account.Options {
opt := account.Options{}
for _, o := range opts {
o(&opt)
}
return opt
}
// Auth provides a middleware to authenticate requests using the x-access-token header value
// and write it to the context. If there is no x-access-token the middleware prevents access and renders a json document.
func Auth(opts ...account.Option) func(http.Handler) http.Handler {
// Note: This largely duplicates what pkg/middleware/account.go already does (apart from a slightly different error
// handling). Ideally we should merge both middlewares.
opt := authOptions(opts...)
tokenManager, err := jwt.New(map[string]interface{}{
"secret": opt.JWTSecret,
"expires": int64(24 * 60 * 60),
})
if err != nil {
opt.Logger.Fatal().Err(err).Msgf("Could not initialize token-manager")
}
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
t := r.Header.Get(revactx.TokenHeader)
if t == "" {
errorcode.InvalidAuthenticationToken.Render(w, r, http.StatusUnauthorized, "Access token is empty.")
/* msgraph error for GET https://graph.microsoft.com/v1.0/me
{
"error":
{
"code":"InvalidAuthenticationToken",
"message":"Access token is empty.",
"innerError":{
"date":"2021-07-09T14:40:51",
"request-id":"bb12f7db-b4c4-43a9-ba4b-31676aeed019",
"client-request-id":"bb12f7db-b4c4-43a9-ba4b-31676aeed019"
}
}
}
*/
return
}
u, tokenScope, err := tokenManager.DismantleToken(r.Context(), t)
if err != nil {
errorcode.InvalidAuthenticationToken.Render(w, r, http.StatusUnauthorized, "invalid token")
return
}
if ok, err := scope.VerifyScope(ctx, tokenScope, r); err != nil || !ok {
opt.Logger.Error().Str(log.RequestIDString, r.Header.Get("X-Request-ID")).Err(err).Msg("verifying scope failed")
errorcode.InvalidAuthenticationToken.Render(w, r, http.StatusUnauthorized, "verifying scope failed")
return
}
ctx = revactx.ContextSetToken(ctx, t)
ctx = revactx.ContextSetUser(ctx, u)
ctx = gmmetadata.Set(ctx, opkgm.AccountID, u.GetId().GetOpaqueId())
if m := u.GetOpaque().GetMap(); m != nil {
if roles, ok := m["roles"]; ok {
ctx = gmmetadata.Set(ctx, opkgm.RoleIDs, string(roles.GetValue()))
}
}
ctx = metadata.AppendToOutgoingContext(ctx, revactx.TokenHeader, t)
initiatorID := r.Header.Get(revactx.InitiatorHeader)
if initiatorID != "" {
ctx = revactx.ContextSetInitiator(ctx, initiatorID)
ctx = metadata.AppendToOutgoingContext(ctx, revactx.InitiatorHeader, initiatorID)
}
next.ServeHTTP(w, r.WithContext(ctx))
})
}
}